Detection apparatus



FIG. 1 is a left-front perspective view showing the detection apparatus of our new design;.

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a left-front perspective view showing our new design associated with a laptop computer.

No bottom plan view is provided since the bottom is unadorned and is not visible during ordinary use. The portions of the drawings in dashed lines form no part of the claimed invention. 

The ornamental design for a detection apparatus, as shown and described. 